Fig. 2

External validation for TNFAIP2 expression on clinical outcomes using a tissue array section. a Upper urinary tract urothelial cancer tissue array containing 119 cases of upper urinary tract urothelial cancer. Representative images of weak (b) and strong (c) TNFAIP2 expression. Bar, 250 µm. d Kaplan–Meier curves according to TNFAIP2 expression of the overall survival of 119 patients comprising this tissue array. P values from the log-rank test